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US3214375A Expired / Lapsed US ⏱️ 0.0 years remaining

Lubricated wicking material

Assignee: Permawick Co
•
Filing: 1962-05-14
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Granted: 1965-10-26
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Expires: 1982-05-14
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Abstract

No abstract record available.

Inventors

  • 👤 Berkeley Bernard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 14:17
CPC Classifications
F; F21; F21V; F21V37/00; F21V37/0004; F21V37/002; F21V37/0025

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 101 words
A LUBRICATED WICKING MATERIAL COMPRISING A FIBER BLEND MIXED WITH A BEARING OIL AT A RATIO GREATER THAN ABOUT FOUR PARTS OIL TO ONE PART FIBER BLEND BY WEIGHT, SAID FIBER BLEND COMPRISING A BULK MIXTURE OF CELLULOSE FIBERS AND FIBERS WHICH ARE OLEOPHOBIC RELATIVE TO THE CELLULOSE FIBERS, THE PROPORTION OF SAID LAST-MENTIONED FIBERS RELATIVE TO SAID CELLULOSE FIBERS BEING SUFFICIENT TO SIGNIFICANTLY RAISE TO OIL RELEASE FACTOR OF SAID LUBRICATED WICKING MATERIAL ABOVE THE OIL RELEASE FACTOR OF A LUBRICATED WICKING MATERIAL HAVING OIL MIXED AT THE SAME RATIO WITH A FIBER LEND CONSISTING SOLELY OF SAID CELLULOSE FIBERS.
Claim 2
Dependent Claim 101 words
A LUBRICATED WICKING MATERIAL COMPRISING A FIBER BLEND MIXED WITH A BEARING OIL AT A RATIO GREATER THAN ABOUT FOUR PARTS OIL TO ONE PART FIBER BLEND BY WEIGHT, SAID FIBER BLEND COMPRISING A BULK MIXTURE OF CELLULOSE FIBERS AND FIBERS WHICH ARE OLEOPHOBIC RELATIVE TO THE CELLULOSE FIBERS, THE PROPORTION OF SAID LAST-MENTIONED FIBERS RELATIVE TO SAID CELLULOSE FIBERS BEING SUFFICIENT TO SIGNIFICANTLY RAISE TO OIL RELEASE FACTOR OF SAID LUBRICATED WICKING MATERIAL ABOVE THE OIL RELEASE FACTOR OF A LUBRICATED WICKING MATERIAL HAVING OIL MIXED AT THE SAME RATIO WITH A FIBER LEND CONSISTING SOLELY OF SAID CELLULOSE FIBERS.

References Cited (Backward Citations)

US1570666A Cited
GB572947A Cited
US2966459A Cited
US2991134A Cited
US3022542A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-25 1969-04-26 1969-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-25 1973-04-26 1973-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-25 1977-04-26 1977-10-26 $7700.00 Window Closed / Lapsed

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